Costumes
Complete the indicated task to unlock the corresponding costume.
Altair (Assassin's Creed): Get a high score using Wiimote Only mode in USA.
Beret Bunny: Beat Trip's high score in Europe.
Chinese Costume: Get over 12,000 points in The China House.
Cossack: Get over 12,000 points in Concentrate!
Crash Test Dummy: Get over 12,000 points in Shopping Cart, Downhill.
Cupid: Get over 12,000 points in Burgerinai.
Disco Rabbid: Get over 12,000 points in Papa's Got.
Doctor: Get over 12,000 points in Anesthetics.
Fireman: Shoot the Right Rabbid in Paris, Pour Troujours.
French Maid: Get over 12,000 points in Little Chemist.
Fruit-Hat Dancer: Shoot the Right Rabbid in the Year Of The Rabbids to get the high score.
Geisha Bunny: Beat Trip's high score in Asia.
Gingerbread: Get over 12,000 points in Hot Cake.
Gymnastic: Get over 12,000 points in Funky Town.
HAZE Armor: Shoot the Right Rabbid in Big City Fights to get the high score.
Hula Bunny: Beat Trip's high score in Tropics.
Ina Bunny: Beat Trip's high score in South America.
Indiana Jones: Get over 12,000 points in Rolling Stone.
Jason: Get over 12,000 points in Dial R for Rabbid.
Jet-Trooper Rabbid: Get over 12,000 points in Greatest Hits.
Ken: Get over 12,000 points in RRR Xxtreme Beach Volleyball.
Leonardo (TMNT): Get over 12,000 points in Usual Rabbids.
Martian Costume: Get over 12,000 points in Bumper Cars.
Masked Wrestler: Shoot the Right Rabbid in Greatest Hits.
Mimic: Get over 12,000 points in Singin In The Rain.
Party Girl: Shoot the Right Rabbid in "Paris, Mon Amour".
Police Bunny: Beat Trip's high score in USA.
Purple Space Rabbid: Available at start.
Rabbid in Suit: Get over 12,000 points in Trash House.
Raider's Rabbid: Get over 12,000 points in American Football.
Raphael (TMNT): Win the Greatest Hits trophy.
Red Space Rabbid: Get over 12,000 points in Year Of The Rabbids.
Sailor: Get over 12,000 points in Swimsuit Edition.
Sam Fisher: Get over 12,000 points in Rabbid School.
Samurai: Get over 12,000 points in The Office.
Singer: Get over 12,000 points in Teenager In Love.
Skeleton : Get over 12,000 points in TNT.
Spider-Rabbid: Play Spider Rabbid.
Superman: Get over 12,000 points in Timber.
Transformer: Get over 12,000 points in Plumbing.
Vegas Showgirl: Get over 12,000 points in Burp.
Voodoo Rabbid: Get over 12,000 points in Voodoo Rabbids.
Waitress: Get over 12,000 points in Laundry.
Yellow Space Costume: Get over 12,000 points in Snail Race.

Funkytown
Play all games at least one time in Single Player mode.

Christmas music
Set the system date to December or January to hear Christmas music at the mode selection menu.

Mini-games are unlocked by playing trips. To unlock all the mini-games, play each trip two times. You also need to unlock the last trip and play it twice. To unlock the last trip, play all other trips once.
Note: A Nunchuk is required for some trips to unlock their mini-games.

Shooting games
Play all trips to unlock all shooting games. Each trip will unlock a shooting game.

Bonus song
Play all mini-games and FPS games to unlock a new song in the Tropics trip.

Jukebox songs
Play a song game to unlock its song in the jukebox.
Alternate starting menu
Complete 100% of the game to have a crown appear at the "Press Start" menu.